20121874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 12900206

約数列:

[1, 2, 19, 38, 53, 97, 103, 106, 194, 206, 1007, 1843, 1957, 2014, 3686, 3914, 5141, 5459, 9991, 10282, 10918, 19982, 97679, 103721, 189829, 195358, 207442, 379658, 529523, 1059046, 10060937, 20121874]

約数ペア:

[(1, 20121874), (2, 10060937), (19, 1059046), (38, 529523), (53, 379658), (97, 207442), (103, 195358), (106, 189829), (194, 103721), (206, 97679), (1007, 19982), (1843, 10918), (1957, 10282), (2014, 9991), (3686, 5459), (3914, 5141)]